Question: In the context given, what would a t test help determine between two groups of men in an experiment involving stress levels after watching piano

In the context given, what would a t test help determine between two groups of men in an experiment involving stress levels after watching piano recitals? a. The probability that the difference in stress levels is due to the magic pill. b. The increase in stress levels in the experimental group. c. The effectiveness of the piano recitals in reducing stress. d. The accuracy of the stress level measurements

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